CN110676126A - Novel common-chamber type circuit breaker with hanging structure and mounting method thereof - Google Patents

Novel common-chamber type circuit breaker with hanging structure and mounting method thereof Download PDF

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Publication number
CN110676126A
CN110676126A CN201910810523.5A CN201910810523A CN110676126A CN 110676126 A CN110676126 A CN 110676126A CN 201910810523 A CN201910810523 A CN 201910810523A CN 110676126 A CN110676126 A CN 110676126A
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CN
China
Prior art keywords
circuit breaker
transformer
cross arm
electric pole
distance
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Pending
Application number
CN201910810523.5A
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Chinese (zh)
Inventor
高建民
高碧寒
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CHANGDE WEIDI ELECTRICAL Co Ltd
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CHANGDE WEIDI ELECTRICAL Co Ltd
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Application filed by CHANGDE WEIDI ELECTRICAL Co Ltd filed Critical CHANGDE WEIDI ELECTRICAL Co Ltd
Priority to CN201910810523.5A priority Critical patent/CN110676126A/en
Publication of CN110676126A publication Critical patent/CN110676126A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/02Housings; Casings; Bases; Mountings
    • H01H71/0264Mountings or coverplates for complete assembled circuit breakers, e.g. snap mounting in panel

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Abstract

The invention is suitable for the technical field of power equipment installation, and provides a novel hanging type structure common-compartment type circuit breaker and an installation method thereof, wherein the circuit breaker comprises a circuit breaker body, the circuit breaker body comprises a box body, the top of the outer side of the box body is provided with a lifting frame, the lifting frame comprises a bottom plate and a fixing plate vertically welded with the bottom plate, the fixing plate is connected to the box body through a bolt, two ends of the top of the bottom plate are both welded with a U-shaped groove, two ends of the U-shaped groove are both vertically penetrated with a lifting hook, one end of the lifting bolt far away from the U-shaped groove is connected with a lifting plate through a nut, one end of the lifting plate is provided with a through hole matched with the; a cross arm is inserted between the lifting plate and the U-shaped groove, and the breaker is fixed on an electric pole through the cross arm; the circuit breaker is also connected with a transformer through a cable. The safety and the reliability of the breaker during operation can be further ensured.

Description

Novel common-chamber type circuit breaker with hanging structure and mounting method thereof
Technical Field
The invention belongs to the technical field of power equipment installation, and particularly relates to a novel hanging type structure common-compartment type circuit breaker and an installation method thereof.
Background
The circuit breaker, especially the high-voltage outdoor circuit breaker, especially the circuit breaker used as the sectionalizing switch and the tie switch in the overhead looped network line of 10KV and 13KV city and rural power distribution network, and the circuit breaker can implement the load distribution of the looped network line, and can be used as the demarcation switch (commonly called the watchdog) in the branch line of the large user power supply, and the feeder line overhead distribution network is used as the recloser and the sectionalizer, and is the automatic switch device in the high-voltage transmission line. Generally, the volume is large and the weight is heavy. The hoisting of the pole-mounted circuit breaker usually requires a crane operation, and personnel are put on the pole to cooperate.
At present, in hoist and mount and installation, because mounted position and cooperation condition cause the installation unstability easily, the slope accident often appears, and moreover, the too big or undersize of distance between the circuit breaker can cause partial function can not realize.
Therefore, it is desirable to provide a novel hanging type common-chamber circuit breaker and a mounting method thereof, which ensure the safety and stability of hanging and mounting.
Disclosure of Invention
The embodiment of the invention provides a novel hanging type structure common-chamber type circuit breaker, and aims to solve the problem that the circuit breaker is unstable in hanging and installation in the prior art.
The embodiment of the invention is realized in such a way that a common-compartment type circuit breaker with a novel hanging type structure comprises a circuit breaker body, wherein the circuit breaker body comprises a box body, a hanging bracket is arranged at the top of the outer side of the box body and comprises a bottom plate and a fixed plate vertically welded with the bottom plate, the fixed plate is connected onto the box body through a bolt, U-shaped grooves are welded at two ends of the top of the bottom plate, lifting hooks vertically penetrate through two ends of each U-shaped groove and are connected onto the U-shaped grooves through bolts, the lifting hooks are rotatably connected with lifting bolts at positions inside the U-shaped grooves, one ends of the lifting bolts far away from the U-shaped grooves are connected with a hanging plate through nuts, one ends of the hanging plates are provided with through holes matched with the lifting bolts, the other ends of the lifting plates are provided with fork grooves, and the groove widths;
a cross arm is inserted between the lifting plate and the U-shaped groove, and the breaker is fixed on an electric pole through the cross arm;
the circuit breaker is also connected with a transformer through a cable, the transformer is a dry-type transformer and adopts an external PT, and the bottom end of the transformer is connected to a transformer bracket through a bolt;
the aviation plug is inserted in the aviation slot, and the aviation plug is connected with the controller through a connecting cable.
Furthermore, the two sides of the outside of the box body are respectively provided with a wire inlet sleeve and a wire outlet sleeve, the box body at the same side is provided with a protective support, the box body is further provided with a separation and combination indicator, a manual energy storage handle and an energy storage indicator, and the separation and combination indicator is provided with the manual separation and combination handle.
Furthermore, a vacuum arc extinguish chamber is arranged inside the box body, two ends of the vacuum arc extinguish chamber are respectively connected with the wire inlet sleeve and the wire outlet sleeve, and the end connected with the wire inlet sleeve is also connected with a switching-on/off system.
Furthermore, a gravity center line is arranged at the top end of the box body, and the lifting frames are averagely arranged on two sides of the gravity center line.
The embodiment of the invention also provides an installation method of the novel hanging type structure common-box type circuit breaker, which is applied to the novel hanging type structure common-box type circuit breaker.
Furthermore, both ends of the controller are fixed on the electric pole through anchor ears.
Furthermore, the mounting method is applied to an individual electric pole, the lifting plate and the lifting bolt are locked through nuts, one end of the cross arm is fixed on the electric pole through a hoop, the other end of the cross arm is connected with one end of a cross arm diagonal strut, the other end of the cross arm diagonal strut is located at the upper end of the cross arm and is connected to the electric pole through the hoop, and a triangle is formed among the cross arm, the cross arm diagonal strut and the electric pole;
the transformer is installed in the opposite sides of the circuit breaker, and the controller and the transformer are installed on the same side.
Further, the distance of circuit breaker and pole is 0.3m, the distance of transformer top and circuit breaker bottom is greater than 0.5m, the distance of transformer and pole is greater than 0.3m, the distance of controller top and support bracing bottom is greater than 0.5m, the controller bottom is 2.5-3m from ground.
Furthermore, the mounting method is applied to the double-pole, the lifting plate and the lifting bolts are locked through nuts, the cross arm is vertically connected to the two fixing frames through bolts, two ends of the two fixing frames are fixed on the pole through anchor ears, and the two sides of the pole are reinforced by bolts penetrating through the two fixing frames;
the transformer and the controller are installed oppositely and are respectively installed on the two electric poles.
Further, the circuit breaker respectively with two between the pole distance be greater than 0.5m, the top of transformer is greater than 1 meter with the distance of circuit breaker bottom, the distance of transformer and pole is 0.3m, the distance of controller top and circuit breaker bottom is greater than 0.5m, the distance between controller and the transformer is greater than 0.5m, the controller bottom with leave ground 2.5-3 m.
Compared with the prior art, the common-chamber type circuit breaker with the novel hanging type structure and the installation method thereof have the following beneficial effects:
compared with the prior art, the common-van-type circuit breaker with the novel hanging structure and the installation method thereof have the advantages that the hoisting device is adopted, the cross arm is arranged on the electric pole, the hoisting and installation can be stable and reliable, the single electric pole and the double electric poles adopt different hoisting and installation methods, after the installation is completed, the distances among all the parts are ensured within an effective and safe distance, and the safety and the reliability of the circuit breaker during working can be further ensured.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a schematic view of an internal structure of a common-chamber circuit breaker according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a common-chamber circuit breaker according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a hoisting device of a common-box circuit breaker according to an embodiment of the present invention;
fig. 4 is a schematic view of a single-rod hoisting installation structure of a common-chamber circuit breaker according to an embodiment of the present invention;
fig. 5 is a schematic view of a double-rod hoisting installation structure of a common-chamber circuit breaker according to an embodiment of the present invention;
fig. 6 is a schematic view of a double-rod hoisting installation structure of a common-chamber circuit breaker according to an embodiment of the present invention.
Reference numerals:
1-box body, 11-aviation slot, 12-aviation plug, 13-wire inlet sleeve, 14-wire outlet sleeve, 15-protective support, 16-opening and closing indication, 17-manual energy storage handle, 18-energy storage indication, 19-manual opening and closing handle, 2-lifting bracket, 21-bottom plate, 22-fixing plate, 23-U-shaped groove, 24-lifting hook, 25-lifting bolt, 26-lifting plate, 27-cross arm, 271-cross arm inclined strut, 3-transformer, 31-transformer support, 311-support inclined strut, 4-controller, 5-vacuum arc extinguish chamber, 6-opening and closing brake system and 7-fixing frame.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In order to effectively explain embodiments of the present invention, the embodiments of the present application will be described in detail below with reference to the accompanying drawings.
Compared with the prior art, as shown in fig. 1-6, the common-chamber circuit breaker with the novel hanging structure and the installation method thereof provided by the invention comprise the box body and the lifting frame, and the lifting and installation of the circuit breaker can be stable and reliable.
Example one
As shown in fig. 1-6, a common-chamber circuit breaker with a novel hanging structure comprises a breaker body, wherein in the specific implementation process, the breaker body comprises a box body 1, a hanging bracket 2 is arranged at the top of the outer side of the box body 1, specifically, as shown in fig. 3, the hanging bracket 2 comprises a bottom plate 21 and a fixing plate 22 vertically welded with the bottom plate, the fixing plate 22 is bolted on the box body 1, the bottom plate 21 is welded at the upper part of the box body 1, U-shaped grooves 23 are welded at both ends of the top of the bottom plate 21, lifting hooks 24 are vertically penetrated through both ends of the U-shaped grooves 23, specifically, one end of each lifting hook 24 vertically penetrates through the U-shaped groove 23 and is connected on the U-shaped groove 23 through a bolt, the other end of each lifting hook 24 is bent into a hook shape, the circuit breaker is convenient to be hung, a part of each lifting hook 24, which is located at the groove of, the through hole matched with the hoisting bolt 25 penetrates through one end of the hoisting plate 26, the fork groove is formed in the end portion of the other end of the hoisting plate 26, the groove width of the fork groove is matched with the diameter of the hoisting bolt 25 in the specific implementation process, the hoisting bolt 25 is conveniently fixed on the hoisting plate 26 through the fork groove by utilizing a nut, a cross arm 27 is inserted between the hoisting plate 26 and the U-shaped groove 23, and the circuit breaker is fixed on an electric pole through the cross arm 27.
In the specific implementation process, the circuit breaker is further connected with a transformer 3 through a cable, the transformer 3 is a dry-type transformer and adopts an external PT, specifically, the bottom end of the transformer 3 is connected to a transformer bracket 31 through a bolt, and the transformer bracket is installed on an electric pole. An aviation slot 11 is further arranged below the box body 1, an aviation plug 12 is inserted into the aviation slot 11, and the aviation plug 12 is connected with the controller 4 through a connecting cable.
In the specific implementation process, the two sides of the outside of the box body 1 are respectively provided with the wire inlet sleeve 13 and the wire outlet sleeve 14, and the two sides of the box body 1 at the same side as the sleeves are also respectively provided with the protection supports 15 to protect the two sleeves from being damaged. In addition, the outer side of the box body 1 is also provided with a switching-on/off indication 16, a manual energy storage handle 17 and an energy storage indication 18, and the switching-on/off indication is provided with a manual switching-on/off handle 19, so that the energy storage and switching-on/off processes of the circuit breaker can be conveniently realized, and the states of the circuit breaker can be respectively displayed through indication. The three-phase leading loop in the box body 1 is further connected with a vacuum arc extinguish chamber 5, two ends of the vacuum arc extinguish chamber 5 are respectively connected with a wire inlet sleeve 13 and a wire outlet sleeve 14, and the connecting end of the vacuum arc extinguish chamber 5 and the wire inlet sleeve 13 is further connected with a switching-on and switching-off system 6. In addition, in the specific implementation process, the top end of the box body 1 is provided with a gravity center line, and the lifting frames 2 are averagely arranged on two sides of the gravity center line, so that the balance can be ensured when the breaker is lifted and installed, and the inclined accident can be prevented.
Example two
The embodiment of the invention also provides an installation method of the novel hanging type structure common-box type circuit breaker, which is applied to the novel hanging type structure common-box type circuit breaker provided by the embodiment, in the specific implementation process, one end of a transformer bracket 31 is connected to an electric pole through a U-shaped hoop, the other end of the transformer bracket 31 is connected with one end of a bracket diagonal support 311 through a bolt, the other end of the bracket diagonal support is positioned below the transformer bracket 31 and is fixed on the electric pole through the hoop, a triangle is formed among the transformer bracket 31, the bracket diagonal support 311 and the electric pole, the installation stability of the transformer is ensured, the upper end and the lower end of a controller 4 are fixed on the electric pole through the hoops, and the stable installation of the.
In the specific implementation process, as shown in fig. 4, when the electric pole is an electric pole, the hoisting plate 26 and the hoisting bolt 25 are locked by nuts, one end of the cross arm 27 is fixed on the electric pole through a hoop, the other end of the cross arm 27 is connected with one end of the cross arm diagonal brace 271, the other end of the cross arm diagonal brace 271 is located above the cross arm 27 and is connected to the electric pole through the hoop, and a triangle is formed between the cross arm 27, the cross arm diagonal brace 271 and the electric pole, so that the stability of the installation of the circuit breaker is ensured. In the specific implementation process, the transformer 3 is installed on the opposite sides of the breaker and installed below the breaker box body 1, and the controller 4 and the transformer 3 are installed on the same side and installed below the transformer 3.
In the specific implementation process, the distance between the parts is within a safe distance when the breaker is hoisted and installed, specifically, the distance between the breaker and the electric pole is 0.3m, the distance between the top end of the transformer and the bottom end of the breaker is greater than 0.5m, the distance between the transformer and the electric pole is greater than 0.3m, the distance between the top end of the controller and the bottom end of the support diagonal support is greater than 0.5m, and the distance between the bottom end of the controller and the ground is 2.5-3 m.
In the specific implementation process, as shown in fig. 5-6, when the electric pole is two electric poles, the hoisting plate 26 and the hoisting bolt 25 are locked by nuts, the cross arm 27 is vertically connected to the two fixing frames 7 by bolts, the fixing frames are preferably made of channel steel or triangular steel, the balance of the circuit breaker is ensured, the two ends of the two fixing frames 7 are fixed on the electric pole by hoops, and the bolts penetrating through the two fixing frames 7 are fastened around the two sides of each electric pole. In the specific implementation process, the transformer 3 and the controller 4 are installed relatively and respectively on two electric poles, and specifically, the transformer 3 and the controller 4 are both installed below the breaker box body 1.
In the specific implementation process, the distance between the parts is within the safe distance when the breaker is hoisted and installed, specifically, the distance between the breaker and two electric poles is greater than 0.5m, the distance between the top end of the transformer and the bottom end of the breaker is greater than 1 meter, the distance between the transformer and the electric poles is 0.3m, the distance between the top end of the controller and the bottom end of the breaker is greater than 0.5m, the distance between the controller and the transformer is greater than 0.5m, and the distance between the bottom end of the controller and the ground is 2.5-3 m.
Therefore, the common-chamber type circuit breaker with the novel hanging type structure and the installation method thereof can further ensure that the circuit breaker is stable and reliable in hoisting and installation and safe and effective in working.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The utility model provides a novel hang formula structure altogether van-type circuit breaker, includes the circuit breaker body, its characterized in that, the circuit breaker body is including box (1), the top in the box (1) outside is provided with gallows (2), it includes bottom plate (21) and fixed plate (22) with bottom plate (21) vertical welding to play gallows (2), fixed plate (22) bolted connection is on box (1), U type groove (23) have all been welded at bottom plate (21) top both ends, U type groove (23) both ends have all run through lifting hook (24) perpendicularly, lifting hook (24) pass through bolted connection on U type groove (23), lifting hook (24) are located U type groove (23) inside department and are rotated and are connected with hoisting bolt (25), keep away from U type groove (23) the one end of hoisting bolt (25) is connected with through the nut and plays hanger plate (26), one end of the hoisting plate (26) is provided with a through hole matched with the hoisting bolt (25), and the other end of the hoisting plate is provided with a fork groove, wherein the groove width of the fork groove is matched with the diameter of the hoisting bolt (25);
a cross arm (27) is inserted between the lifting plate (26) and the U-shaped groove (23), and the circuit breaker is fixed on an electric pole through the cross arm (27);
the circuit breaker is further connected with a transformer (3) through a cable, the transformer (3) is a dry-type transformer and adopts an external PT, and the bottom end of the transformer (3) is connected to a transformer bracket (31) through a bolt;
the aviation plug box is characterized in that an aviation slot (11) is further arranged below the box body (1), an aviation plug (12) is inserted into the aviation slot (11), and the aviation plug (12) is connected with the controller (4) through a connecting cable.
2. The novel hanging type structure common-box type circuit breaker is characterized in that two sides of the outer portion of the box body are respectively provided with an incoming line sleeve (13) and an outgoing line sleeve (14), the box body (1) on the same side is provided with a protection support (15), the box body (1) is further provided with a separation and combination indicator (16), a manual energy storage handle (17) and an energy storage indicator (18), and the separation and combination indicator (16) is provided with a manual separation and combination handle (19).
3. The novel hanging type structure of the common-box type circuit breaker according to claim 1, wherein a vacuum interrupter (5) is arranged inside the box body, two ends of the vacuum interrupter (5) are respectively connected with the incoming bushing (13) and the outgoing bushing (14), and the connecting end of the vacuum interrupter and the incoming bushing (13) is further connected with the switching system (6).
4. A novel hanging type structure of the common chamber type breaker as claimed in claim 1, wherein the top end of the box body is provided with a gravity center line, and the lifting frame (2) is arranged on both sides of the gravity center line on average.
5. The installation method of the novel hanging type structure common-compartment type circuit breaker is applied to the novel hanging type structure common-compartment type circuit breaker according to any one of claims 1 to 4, and is characterized in that one end of the transformer support (31) is connected to an electric pole through a U-shaped hoop, the other end of the transformer support is connected with one end of a support inclined strut (311) through a bolt, the other end of the support inclined strut (311) is located at the bottom end of the transformer support (31) and fixed on the electric pole through the hoop, and a triangle is formed among the transformer support (31), the support inclined strut (311) and the electric pole.
6. The method for installing a novel ceiling-mounted structure common-box type circuit breaker according to claim 5, wherein both ends of the controller (4) are fixed on the electric pole through hoops.
7. The method for installing the common-box circuit breaker with the novel hanging structure is characterized in that the method is applied to an individual electric pole, the lifting plate (26) and the hoisting bolt (25) are locked through a nut, one end of the cross arm (27) is fixed on the electric pole through a hoop, the other end of the cross arm is connected with one end of a cross arm diagonal brace (271), the other end of the cross arm diagonal brace (271) is positioned at the upper end of the cross arm (27) and is connected to the electric pole through the hoop, and a triangle is formed among the cross arm (27), the cross arm diagonal brace (271) and the electric pole;
the transformer (3) is installed on the opposite side of the circuit breaker, and the controller (4) and the transformer (3) are installed on the same side.
8. The method for installing the common-box type circuit breaker with the novel hanging structure is characterized in that the distance between the circuit breaker and the electric pole is 0.3m, the distance between the top end of the transformer (3) and the bottom end of the circuit breaker is more than 0.5m, the distance between the transformer (3) and the electric pole is more than 0.3m, the distance between the top end of the controller (4) and the bottom end of the bracket inclined strut (311) is more than 0.5m, and the bottom end of the controller (4) is 2.5-3m away from the ground.
9. The mounting method of the novel hanging-type structure common-box type circuit breaker is characterized in that the mounting method is applied to a double-pole, the lifting plate (26) and the lifting bolt (25) are locked through a nut, the cross arm (27) is vertically connected to two fixing frames (7) through a bolt, two ends of the two fixing frames (7) are fixed on the pole through anchor ears, and the two sides of the pole are reinforced by bolts penetrating through the two fixing frames (7);
the transformer (3) and the controller (4) are installed oppositely and are respectively installed on the two electric poles.
10. The method for installing the common-box type circuit breaker with the novel hanging structure according to claim 9, wherein the distance between the circuit breaker and two electric poles is greater than 0.5m, the distance between the top end of the transformer (3) and the bottom end of the circuit breaker is greater than 1 m, the distance between the transformer (3) and the electric poles is 0.3m, the distance between the top end of the controller (4) and the bottom end of the circuit breaker is greater than 0.5m, the distance between the controller (4) and the transformer (3) is greater than 0.5m, and the distance between the bottom end of the controller (4) and the ground is 2.5-3 m.
CN201910810523.5A 2019-08-29 2019-08-29 Novel common-chamber type circuit breaker with hanging structure and mounting method thereof Pending CN110676126A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910810523.5A CN110676126A (en) 2019-08-29 2019-08-29 Novel common-chamber type circuit breaker with hanging structure and mounting method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910810523.5A CN110676126A (en) 2019-08-29 2019-08-29 Novel common-chamber type circuit breaker with hanging structure and mounting method thereof

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Publication Number Publication Date
CN110676126A true CN110676126A (en) 2020-01-10

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203277205U (en) * 2013-05-22 2013-11-06 浙江伏尔特电器有限公司 High-voltage outdoor intelligent demarcation vacuum circuit breaker
CN104037011A (en) * 2014-06-04 2014-09-10 柳州市海格电气有限公司 Watchdog division load switch
CN204760754U (en) * 2015-05-25 2015-11-11 国家电网公司 Last oil circuit breaker mounting structure of 10KV transmission line
CN205542566U (en) * 2016-04-19 2016-08-31 浙江北电科技有限公司 Be total to intelligent high -pressure vacuum circuit breaker in box open air
CN206051273U (en) * 2016-08-09 2017-03-29 浙江巨控电气有限公司 Chopper upending frame
CN206931526U (en) * 2017-04-28 2018-01-26 乐山一拉得电网自动化有限公司 A kind of Standard type intelligent vacuum circuit breaker
CN208955523U (en) * 2018-09-17 2019-06-07 北京天威国网电气成套设备有限公司 10KV integration becomes platform complete set of equipments
CN209024067U (en) * 2018-09-29 2019-06-25 国网浙江象山县供电有限公司 A kind of simple and easy hoisting device of for transformer

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203277205U (en) * 2013-05-22 2013-11-06 浙江伏尔特电器有限公司 High-voltage outdoor intelligent demarcation vacuum circuit breaker
CN104037011A (en) * 2014-06-04 2014-09-10 柳州市海格电气有限公司 Watchdog division load switch
CN204760754U (en) * 2015-05-25 2015-11-11 国家电网公司 Last oil circuit breaker mounting structure of 10KV transmission line
CN205542566U (en) * 2016-04-19 2016-08-31 浙江北电科技有限公司 Be total to intelligent high -pressure vacuum circuit breaker in box open air
CN206051273U (en) * 2016-08-09 2017-03-29 浙江巨控电气有限公司 Chopper upending frame
CN206931526U (en) * 2017-04-28 2018-01-26 乐山一拉得电网自动化有限公司 A kind of Standard type intelligent vacuum circuit breaker
CN208955523U (en) * 2018-09-17 2019-06-07 北京天威国网电气成套设备有限公司 10KV integration becomes platform complete set of equipments
CN209024067U (en) * 2018-09-29 2019-06-25 国网浙江象山县供电有限公司 A kind of simple and easy hoisting device of for transformer

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Application publication date: 20200110

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